<template>
  <el-form ref="form" :model="user" :rules="rules" label-width="80px">
    <el-form-item label="旧密码" prop="oldPassword">
      <el-input v-model="user.oldPassword" placeholder="请输入旧密码" type="password" show-password/>
    </el-form-item>
    <el-form-item label="新密码" prop="newPassword">
      <el-input v-model="user.newPassword" placeholder="请输入新密码" type="password" show-password/>
    </el-form-item>
    <el-form-item label="确认密码" prop="confirmPassword">
      <el-input v-model="user.confirmPassword" placeholder="请确认新密码" type="password" show-password/>
    </el-form-item>
    <el-form-item>
      <el-button type="primary" size="mini" @click="submit">保存</el-button>
      <el-button type="danger" size="mini" @click="close">关闭</el-button>
    </el-form-item>
  </el-form>
</template>

<script>
import { updateUserPwd } from "@/api/system/user"
import { getPublicKey } from '@/api/loginPlus'
import { encrypt } from '@/utils/jsencrypt'

export default {
  data() {
    const equalToPassword = (rule, value, callback) => {
      if (this.user.newPassword !== value) {
        callback(new Error("两次输入的密码不一致"))
      } else {
        callback()
      }
    }
    return {
      user: {
        oldPassword: undefined,
        newPassword: undefined,
        confirmPassword: undefined
      },
      // 表单校验
      rules: {
        oldPassword: [
          { required: true, message: "旧密码不能为空", trigger: "blur" }
        ],
        newPassword: [
          { required: true, message: "新密码不能为空", trigger: "blur" },
          { min: 6, max: 20, message: "长度在 6 到 20 个字符", trigger: "blur" },
          {
            pattern:  /^(?=.*\d)(?=.*[a-zA-Z])[\da-zA-Z~!@#$%^&*]{6,20}$/,
            message: "密码必须包含字母和数字",
            trigger: "blur"
          },
          { pattern: /^[^<>"'|\\]+$/, message: "不能包含非法字符：< > \" ' \\\ |", trigger: "blur" }
        ],
        confirmPassword: [
          { required: true, message: "确认密码不能为空", trigger: "blur" },
          { required: true, validator: equalToPassword, trigger: "blur" }
        ]
      }
    }
  },
  methods: {
    getPublicKey() {
      return new Promise((resolve, reject) => {
        getPublicKey()
          .then(res => {
            resolve(res)
          })
          .catch(error => {
            reject(error)
          })
      })
    },
    submit() {
      this.$refs["form"].validate(valid => {
        if (valid) {
          this.getPublicKey().then(res=>{
            let publicKey = res.publicKey
            //console.log("res.publicKey",res.publicKey)
            const oldPassword = encrypt(this.user.oldPassword, publicKey)
            const newPassword = encrypt(this.user.newPassword, publicKey)
            updateUserPwd(oldPassword, newPassword).then(
              response => {
                this.$modal.msgSuccess("修改成功")
              }
            );
          })
        }
      })
    },
    close() {
      this.$tab.closePage()
    }
  }
}
</script>
